Katrina cost now seen at $125 billion. Risk Management Solutions tacks $25 billion onto tab. <By Steve Gelsi, MarketWatch, 9/9/05> The estimated economic cost of Hurricane Katrina rose to $125 billion even as the floodwaters continued to recede in New Orleans on Friday, as a key industry-data provider raised its assessment of the storm's total economic losses by $25 billion... <A HREF="http://www.marketwatch.com/news/story.asp?guid={fcde9879-774d-483d-a8a0-e6ca6467d16d}&siteid=mktw&dist=SignInArchive&archive=true¶m=archive&garden=&minisite=" target="_blank">http://www.marketwatch.com/news/story.asp?guid={fcde9879-774d-483d-a8a0-e6ca6467d16d}&siteid=mkt...</A>